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@article{DAN_1982_262_4_a6, author = {A. B. Merkov}, title = {On the sets of points of finite and infinite curvature of the graph of a convex function}, journal = {Doklady Akademii Nauk}, pages = {800--803}, publisher = {mathdoc}, volume = {262}, number = {4}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_262_4_a6/} }
A. B. Merkov. On the sets of points of finite and infinite curvature of the graph of a convex function. Doklady Akademii Nauk, Tome 262 (1982) no. 4, pp. 800-803. http://geodesic.mathdoc.fr/item/DAN_1982_262_4_a6/